From 2b1e688838915588d751d3836f700d9e7db0dac4 Mon Sep 17 00:00:00 2001
From: "Calmcacil B." <716671+calmcacil@users.noreply.github.com>
Date: Thu, 16 Jul 2026 23:43:08 +0200
Subject: [PATCH] fix(anime): render frames correctly in raw terminals

---
 internal/anisearch/anisearch_test.go | 20 ++++++++++++++++++++
 internal/anisearch/input.go          |  8 ++++----
 internal/anisearch/search.go         | 19 ++++++++++++++-----
 3 files changed, 38 insertions(+), 9 deletions(-)

diff --git a/internal/anisearch/anisearch_test.go b/internal/anisearch/anisearch_test.go
index 8484c7d..0af2396 100644
--- a/internal/anisearch/anisearch_test.go
+++ b/internal/anisearch/anisearch_test.go
@@ -731,6 +731,26 @@ func TestRenderSearchResultsLayout(t *testing.T) {
 	}
 }
 
+func TestWriteTerminalFrameUsesCRLFInRawMode(t *testing.T) {
+	var output bytes.Buffer
+	writeTerminalFrame(&output, "first\nsecond\n", true)
+
+	want := "\033[H\033[Jfirst\r\nsecond\r\n"
+	if got := output.String(); got != want {
+		t.Fatalf("writeTerminalFrame() = %q, want %q", got, want)
+	}
+}
+
+func TestWriteTerminalFramePreservesNewlinesOutsideRawMode(t *testing.T) {
+	var output bytes.Buffer
+	writeTerminalFrame(&output, "first\nsecond\n", false)
+
+	want := "\033[H\033[Jfirst\nsecond\n"
+	if got := output.String(); got != want {
+		t.Fatalf("writeTerminalFrame() = %q, want %q", got, want)
+	}
+}
+
 func TestFormatEpisodes(t *testing.T) {
 	tests := []struct {
 		name string
diff --git a/internal/anisearch/input.go b/internal/anisearch/input.go
index d6affde..f7b9486 100644
--- a/internal/anisearch/input.go
+++ b/internal/anisearch/input.go
@@ -73,24 +73,24 @@ func readKey() KeyEvent {
 
 // runInRawTerminal executes f while stdin is in raw terminal mode.
 // It restores the terminal state before returning.
-func runInRawTerminal(f func()) {
+func runInRawTerminal(f func(raw bool)) {
 	fd := int(os.Stdin.Fd())
 
 	if !term.IsTerminal(fd) {
 		// Not a terminal; just run f directly.
-		f()
+		f(false)
 		return
 	}
 
 	oldState, err := term.MakeRaw(fd)
 	if err != nil {
 		// Cannot set raw mode; run f directly anyway.
-		f()
+		f(false)
 		return
 	}
 	defer term.Restore(fd, oldState) //nolint:errcheck
 
-	f()
+	f(true)
 }
 
 // PromptForQuery reads a search query from stdin.
diff --git a/internal/anisearch/search.go b/internal/anisearch/search.go
index d31e114..327d8b3 100644
--- a/internal/anisearch/search.go
+++ b/internal/anisearch/search.go
@@ -3,7 +3,9 @@ package anisearch
 import (
 	"context"
 	"fmt"
+	"io"
 	"os"
+	"strings"
 	"time"
 
 	"github.com/calmcacil/CalmsToolkit/internal/config"
@@ -132,11 +134,11 @@ func runInteractive(ctx context.Context, client *AniListClient, query string, cu
 	selected := 0
 	currentPage := 1
 
-	runInRawTerminal(func() {
+	runInRawTerminal(func(raw bool) {
 		for {
 			// Render search results.
 			output := renderSearchResults(query, currentResult, selected, mapping, cfg)
-			fmt.Fprint(os.Stdout, "\033[H\033[J"+output)
+			writeTerminalFrame(os.Stdout, output, raw)
 
 			// Read key.
 			key := readKey()
@@ -152,7 +154,7 @@ func runInteractive(ctx context.Context, client *AniListClient, query string, cu
 				}
 			case KeyEnter:
 				if selected >= 0 && selected < len(currentResult.Media) {
-					runDetailView(currentResult.Media[selected], mapping, cfg)
+					runDetailView(currentResult.Media[selected], mapping, cfg, raw)
 				}
 			case KeyNext:
 				if currentResult.PageInfo.HasNextPage {
@@ -186,14 +188,14 @@ func runInteractive(ctx context.Context, client *AniListClient, query string, cu
 }
 
 // runDetailView shows the detail for a single show until the user presses B or Q.
-func runDetailView(show Show, mapping *AnibridgeMapping, cfg ToolConfig) {
+func runDetailView(show Show, mapping *AnibridgeMapping, cfg ToolConfig, raw bool) {
 	tvdbID := 0
 	if mapping != nil {
 		tvdbID, _ = mapping.LookupByAniList(show.ID)
 	}
 
 	output := renderDetail(show, tvdbID, cfg)
-	fmt.Fprint(os.Stdout, "\033[H\033[J"+output)
+	writeTerminalFrame(os.Stdout, output, raw)
 
 	for {
 		key := readKey()
@@ -207,3 +209,10 @@ func runDetailView(show Show, mapping *AnibridgeMapping, cfg ToolConfig) {
 		}
 	}
 }
+
+func writeTerminalFrame(w io.Writer, frame string, raw bool) {
+	if raw {
+		frame = strings.ReplaceAll(frame, "\n", "\r\n")
+	}
+	fmt.Fprint(w, "\033[H\033[J"+frame)
+}